I am also a westerner that spent my childhood in SE Asia. Everyone ate in large, familial gatherings, and what was served was what was served. You could always fall back to plain rice if you genuinely didn't like what was available, but in practice I don't ever remember that happening. Sure, there were things you liked more than others, but sharing food with my friends was fun, and if they liked something, why wouldn't I?

We were also more involved in the production/acquisition of the food of the day- go fetch some eggs from the hens, go ask the folks next door for some lemon grass, that kind of thing. I really do think being a part of the creation of the meal was good for our development. It certainly made me more interested in tasting what the adults did with the ingredients we brought them!